Engineering drawing processing and vectorization system
Computer Vision, Graphics, and Image Processing
Perfecting vectorized mechanical drawings
Computer Vision and Image Understanding
A Fast Discrete Approximation Algorithm for the Radon Transform
SIAM Journal on Computing
Sparse Pixel Vectorization: An Algorithm and Its Performance Evaluation
IEEE Transactions on Pattern Analysis and Machine Intelligence
Digital Picture Processing
Stable and Robust Vectorization: How to Make the Right Choices
GREC '99 Selected Papers from the Third International Workshop on Graphics Recognition, Recent Advances
Estimating the Pen Trajectories of Static Signatures Using Hidden Markov Models
IEEE Transactions on Pattern Analysis and Machine Intelligence
A new use of the ridgelets transform for describing linear singularities in images
Pattern Recognition Letters
SSIP'08 Proceedings of the 8th conference on Signal, Speech and image processing
Symbol recognition combining vectorial and statistical features
GREC'05 Proceedings of the 6th international conference on Graphics Recognition: ten Years Review and Future Perspectives
Exploring digital libraries with document image retrieval
ECDL'07 Proceedings of the 11th European conference on Research and Advanced Technology for Digital Libraries
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Content-based retrieval and recognition of graphic imagesrequires good models for symbol representation, ableto identify those features providing the most relevant informationabout the shape and the visual appearance of symbols.In this work we have used the Radon transform as thebasis to extract the representation of graphic images as itpermits to globally detect lineal singularities in an image,which are the most important source of information in theseimages. The image obtained after applying Radon transformcan be used directly to describe the symbol, or can beused to extract new and compact descriptors from it, whichwill also be based on lineal information about the image.We present some preliminary results showing the usefulnessof this representation with a set of architectural symbols.